Some of the world’s most prominent companies are expected to set a long-term target on Wednesday of powering their operations entirely with renewable energy, the latest in a wave of commitments sug

More than 23,000 people, mostly children, have been infected with measles in the Katanga region of the Democratic Republic of Congo.

ROME — The Italian energy company Eni S.p.A.

FREETOWN, Sierra Leone — Health officials in Sierra Leone on Sunday confirmed an Ebola death less than a week after the country’s last known patient was discharged from a hospital.

Californians cut water use by more than 31 percent in July, the largest savings the state has logged since a drought emergency was declared last year.

VEDARANYAM, India — On a sun-scorched wasteland near India's southern tip, an unlikely garden filled with spiky shrubs and spindly greens is growing, seemingly against all odds.

It has been one full year since polio was detected anywhere in Africa, a significant milestone in global health that has left health experts around the world quietly celebrating.

A scorching heat wave has gripped Egypt this week, killing at least 42 people, including a German man, three patients in a psychiatric hospital and three detainees at a jail, officials said Tuesday

Flooding in northern Vietnam has killed at least 17 people, with the continuing rain prompting concerns of landslides and of pollution from inundated coal mines reaching one of the country’s most f

LONDON — The British oil giant BP said on Tuesday that it lost $5.8 billion in the second quarter, reflecting a huge settlement over the 2010 Gulf of Mexico oil spill.

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